A unit step input with unity feedback using MATLAB Simulink ?

How to get a graph for a unit step input with unity feedback using MATLAB Simulink, for following transfer function ?
-15 s
---------------------------
s^3 + 25 s^2 + 290 s + 5300
Continuous-time transfer function.

3 个评论

num=[0 0 1 0];
den=[1 25 290 5300];
sys=tf(num,den);
num=[0 0 1 0];
den=[1 25 290 5300];
sys=tf(num,den);
step(sys,1)
% OR now use >>help lsim
what do you mean by unity feedback?

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回答(1 个)

Connect a step input to a summing junction, put your transfer function in a Transfer Fcn block, add your feedback and connect the output to a scope.

提问:

2014-5-6

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